Home / 2,255.52-3,385.14-1,282.32

Finding the Fourth Proportional to 2,255.52, 3,385.14 and 1,282.32

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Solution

The fourth proportional to 2,255.52, 3,385.14 and 1,282.32 is: 1,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.52 : 3,385.14 = 1,282.32 : x
  2. Step 2: Convert to fraction form
    2,255.52/3,385.14 = 1,282.32/x
  3. Step 3: Cross multiply
    2,255.52x = 3,385.14 × 1,282.32
  4. Step 4: Simplify right side
    2,255.52x = 4,340,832.72
  5. Step 5: Solve for x
    x = 4,340,832.72/2,255.52
  6. Step 6: Final answer
    x = 1,924.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.